An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 6620-01-280-3516
NSN 7035-01-211-5636
NSN 5925-01-623-2728
NSN 5985-01-634-0635
NSN 6685-01-519-9250
NSN 6110-01-603-2770
NSN 5910-00-203-2119
NSN 6620-00-199-8734
NSN 5990-00-399-2454
NSN 5915-01-227-8524
NSN 5975-01-642-8372
NSN 5855-00-916-2236